
Simple Machines
Simple machines make work easier. The six simple machines are the lever, wedge,
screw, inclines, planes, wheel and axle, and pulley. They help us do many things.
A pulley is a machine made up of a
wheel and rope. Some examples of pulleys
are flag poles, sail boats, and cranes.
Pulleys let you move objects up and down.
A screw is an inclined plane wrapped
around a rod. Some examples of a screw
are clamps, spiral stair cases, and wrenches.
Screws hold things together.
An inclined plane is a flat surface
that is higher on one end. Some examples
of an inclined plane are door stops, bike ramps, and slides. Inclined planes help us move things to low or
higher places.
What would people do without simple
machines? Life would be really hard.
That’s why simple machines are really great things.
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Simple machines make work easier. The simple machines are inclined planes,
screw, lever, wheel and axle, wedge, and a pulley. A simple machine is two thins put together.
A screw is a simple machine. A screw is two simple machines put
together. Jar lids, stools, and jacks
are examples of screws. Screws are used
to lower or raise things and hold things together.
The wheel and axle
are a simple machine. The axle
will turn when there is force on the wheel.
A car, wagon, and roller skates are examples of a wheel and axle. A wheel and axle moves things from place to
place.
A pulley is another simple
machine. A pulley is made of a wheel and
a rope. Flag poles, sail boats, and
cranes are examples of a pulley. A
pulley moves loads up, down and sideways.
Simple machines are special to
me. Without simple machines work would
be very hard. Work is easier with simple
machines.
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Simple machines make the work we do
easier. There are six simple
machines. These machines are the pulley,
wedge, lever, wheel and axle, inclined plane and screw.
The inclined plane is a simple machine
that has a flat surface that is higher on one end. Some examples of an inclined plane are a
hill, an exculater, and stairs. This machine helps to move things from a
lower or higher place.
A pulley is made of a wheel and
rope. Examples of where pulleys can be
found are flag poles, sailboats, and blinds.
The pulley helps you move thins up, down, and sideways.
Another simple machine is a
wedge. A wedge is a machine that helps
push two things apart. Knives, axes, and
nails are examples of a wedge. A wedge
is made of two inclined planes.
Without these simple machines work
would be much harder. Daily life has
been made simpler. I am glad for the
invention of these simple machines.
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Simple machines make work easier. The simple machines are inclined plane,
screw, lever, wheel and axle, wedge, and pulley. These machines are helpful to rock climbers,
wood cutters, and even movers.
The screw is a simple machine. It is made from other simple machines. Some examples are jacks, clamps, and
stools. The screw is actually an
inclined plane.
A wedge is a simple machine also. A wedge pushes two things apart. Some examples are knives, forks, and
nails. A wedge is made up of two inclined
planes.
A pulley is another type of simple
machines help many different people in many different
ways. Here are a couple of ways they
might help you; you might use a lever to open a paint can and you might use an
inclined plane to move boxes into a truck.
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Simple machines make work easier. The six simple machines are the inclined
plane, screw, lever, wheel and axle, wedge, and pulley. We use simple machines, a lot but we do not
realize it.
My favorite simple machine is the pulley. A pulley is made of a wheel and a rope. A flag pole is an example of a pulley. A sail boat is an example, too. Pulleys let you move up, down, and sideways.
The screw is another simple machine. A screw is an inclined plane that winds
around itself. A light bulb is an
example of a screw. A key ring is too! A
screw has ridges along the side unlike a nail.
The inclined plane is alto a simple machine. It is a flat surface that is higher on one
end. A hill, a slide, and a ramp are all
examples of an inclined plane. It moves
to a high or low place and it makes work easier.
I think simple machines are a great thing to know how to use
because they help. Simple machines are
used every day in every way! This explains how simple machines make work
easier.
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An inclined plane is a flat surface that is higher on one
end than the other. Inclined planes do
not have any moving parts. They decrease
the effort of force needed to move you or an object from one height to
another. They do this by increasing the
distance over which you or the object must move. Some examples of an inclined plane is a slide or a ramp.
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An inclined plane is a flat surface that is higher on one
side than the other. An inclined plane
can be used in many different ways. It
can be used at businesses, homes, and schools.
Some examples of an inclined plane are slides and ramps.
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A pulley is a wheel that turns on an
axle. An example of a pulley is a flagpole. Some amusement park rides are examples of
pulleys. There are different types of
pulleys such as a fixed pulley or a pulley that stays in the same place. With a fixed pulley, you change the direction
of force, not the force needed. Then
there’s a moveable pulley.
When you use a moveable pulley the total amount of force
that is needed is reduced. Sometimes
sets of pulleys, or multiple pulleys, are used to lift heavy objects. Very heavy weights such as pianos, car
engines, heavy freight, or even animals, like horses are lifted with multiple
pulleys. I think that pulleys are
helpful to millions of people.